Monday, Aug 20, 2012 - 8:00 AMTukufu Zuberi investigates a pair of Woolworth signs that might have been part of the 1960 lunch-counter sit-ins. The owner of a set of toy soldiers still wonders if the father of his childhood friend was a Nazi spy. Another man has a journal of liquor recipes that makes him wonder if his uncle was a Prohibition bootlegger.G